<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="教师名称" prop="teacherName">
        <el-input v-model="queryParams.teacherName" placeholder="请输入教师名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="课程名称" prop="courseName">
        <el-input v-model="queryParams.courseName" placeholder="请输入课程名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="班级名称" prop="className">
        <el-input v-model="queryParams.className" placeholder="请输入班级名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="专业名称" prop="deptName">
        <el-input v-model="queryParams.deptName" placeholder="请输入专业名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="学院名称" prop="collegeName">
        <el-input v-model="queryParams.collegeName" placeholder="请输入学院名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="学年" prop="year">
        <el-input v-model="queryParams.year" placeholder="请输入学年" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="学期" prop="semester">
        <el-input v-model="queryParams.semester" placeholder="请输入学期" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['edu:tcc:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate" v-hasPermi="['edu:tcc:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete" v-hasPermi="['edu:tcc:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport" v-hasPermi="['edu:tcc:export']">导出</el-button>
      </el-col>
      <el-col :span="1.5">
            <el-button
              type="info"
              plain
              icon="el-icon-upload2"
              size="mini"
              @click="handleImport">导入</el-button>
          </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="tccList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="学年" align="center" prop="year" />
      <el-table-column label="学期" align="center" prop="semester" />
      <el-table-column label="学院名称" align="center" prop="collegeName" />
      <el-table-column label="专业名称" align="center" prop="deptName" />
      <el-table-column label="教师名称" align="center" prop="teacherName" />
      <el-table-column label="课程名称" align="center" prop="courseName" />
      <el-table-column label="班级名称" align="center" prop="className" />
      
      
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['edu:tcc:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['edu:tcc:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改绑定对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="学年" prop="year">
          <el-select v-model="form.year" placeholder="请选择">
            <el-option v-for="item in yearList" :key="item" :label="item+'学年'" :value="item">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="学期" prop="semester">
          <el-select v-model="form.semester" placeholder="请选择">
            <el-option v-for="item in semesterList" :key="item" :label="'第'+item+'学期'" :value="item">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="专业" prop="deptId">
          <treeselect v-model="form.deptId" :options="deptOptions" :show-count="true" placeholder="请选择归属专业" @input="deptInput" />
        </el-form-item>
        <el-form-item label="班级" prop="classId">
          <el-select v-model="form.classId" filterable placeholder="请选择" remote :loading="classLoading" :remote-method="classRemoteMethod" :disabled="form.deptId == null">
            <el-option v-for="item in classList" :key="item.classId" :label="item.name" :value="item.classId">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="教师" prop="teacherId">
          <el-select v-model="form.teacherId" filterable placeholder="请选择" remote :loading="teacherLoading" :remote-method="teacherRemoteMethod">
            <el-option v-for="item in teacherList" :key="item.userId" :label="item.nickName" :value="item.userId">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="课程" prop="courseId">
          <el-select v-model="form.courseId" filterable placeholder="请选择" remote :loading="courseLoading" :remote-method="courseRemoteMethod">
            <el-option v-for="item in courseList" :key="item.courseId" :label="item.name" :value="item.courseId">
            </el-option>
          </el-select>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 导入对话框 -->
    <el-dialog :title="importUpload.title" :visible.sync="importUpload.open" width="400px" append-to-body>
      <el-upload
        ref="importUpload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="importUpload.headers"
        :action="importUpload.url + '?updateSupport=' + importUpload.updateSupport"
        :disabled="importUpload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip text-center" slot="tip">
          <!-- <div class="el-upload__tip" slot="tip">
            <el-checkbox v-model="importUpload.updateSupport" /> 是否更新已经存在的用户数据
          </div> -->
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;" @click="importTemplate">下载模板</el-link>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listTcc, getTcc, delTcc, addTcc, updateTcc } from "@/api/edu/tcc";
import { listStudent, getStudent, delStudent, addStudent, updateStudent } from "@/api/edu/student";
import { listClassByDept } from "@/api/edu/class";
import { listAll } from "@/api/edu/course";
import { listUser, getUser, delUser, addUser, updateUser, resetUserPwd, changeUserStatus, deptTreeSelect, listCounsellor, listTeacher } from "@/api/system/user";
import DictData from '@/components/DictData'
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import { getToken } from "@/utils/auth";
export default {
  name: "Tcc",
  components: { Treeselect },
  data () {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 绑定表格数据
      tccList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        teacherId: null,
        teacherName: null,
        courseId: null,
        courseName: null,
        classId: null,
        className: null,
        deptId: null,
        deptName: null,
        collegeId: null,
        collegeName: null,
        year: null,
        semester: null,
      },
      classLoading: false,
      yearList: [],
      semesterList: [1, 2],
      deptOptions: null,
      classList: [],
      teacherList: [],
      courseList: [],
      classLoading: false,
      courseLoading: false,
      teacherLoading: false,
      // 表单参数
      form: {
        year: 0,
        semester: 0,
      },
      // 表单校验
      rules: {
      },
      //年份
      year: 0,
      //学期
      semester: 0,
      importUpload: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/edu/tcc/importData"
      },
    };
  },
  created () {
    this.getList();
    this.getCurrentYear()
  },
  methods: {
      /**
     * 导入
     */
    // 提交上传文件
    submitFileForm() {
      this.$refs.importUpload.submit();
    },
    /** 下载模板操作 */
    importTemplate() {
      this.download('edu/tcc/importTemplate', {
      }, `课程绑定_${new Date().getTime()}.xlsx`)
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.importUpload.isUploading = true;
    },
    handleFileSuccess(response, file, fileList) {
      this.importUpload.open = false;
      this.importUpload.isUploading = false;
      this.$refs.importUpload.clearFiles();
      this.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", { dangerouslyUseHTMLString: true });
      this.getList();
    },
    handleImport(){
      this.importUpload.open = true;
    },
    // 获取年份下拉框
    getYearList () {
      console.log(this.year)
      if (!this.yearList || this.yearList.length != []) {
        return;
      }
      let year = this.year
      for (var i = year - 3; i < year + 4; i++) {
        this.yearList.push(i)
      }
    },
    //获取当前的年份和学期
    getCurrentYear () {
      this.getConfigKey("edu.current.year.semester").then(response => {
        console.log(response)
        let yearSemester = response.msg
        let yearSemesterArr = yearSemester.split("-")
        this.year = Number(yearSemesterArr[0]);
        this.semester = Number(yearSemesterArr[1]);
      });
    },
    /** 查询绑定列表 */
    getList () {
      this.loading = true;
      listTcc(this.queryParams).then(response => {
        this.tccList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    /** 查询部门下拉树结构 */
    getDeptTree () {
      if (!this.deptOptions) {
        deptTreeSelect().then(response => {
          this.deptOptions = response.data;
          //查询所有的学生
          // classRemoteMethod(null)
        });
      }
    },
    //部门改变事件
    deptInput () {
      this.classRemoteMethod(null)
    },
    //远程获取班级
    classRemoteMethod (query) {
      if (!this.form.deptId || typeof this.form.deptId == 'undefined') {
        return;
      }
      this.classLoading = true
      listClassByDept(this.form.deptId, query).then(res => {
        console.log(res)
        this.classList = res.data
        this.classLoading = false
      }).catch(err => {
        console.log(err)
        this.$modal.msgError(err.message);
      })
    },
    //远程获取教师
    teacherRemoteMethod (query) {
      this.teacherLoading = true
      listTeacher(query).then(res => {
        console.log(res)
        this.teacherList = res.data
        this.teacherLoading = false
      }).catch(err => {
        console.log(err)
        this.$modal.msgError(err.message);
      })

    },
    //远程获取课程
    courseRemoteMethod (query) {
      this.courseLoading = true
      listAll(query).then(res => {
        console.log(res)
        this.courseList = res.data
        this.courseLoading = false
      }).catch(err => {
        console.log(err)
        this.$modal.msgError(err.message);
      })
    },
    // 取消按钮
    cancel () {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset () {
      this.form = {
        tccId: null,
        teacherId: null,
        teacherName: null,
        courseId: null,
        courseName: null,
        classId: null,
        className: null,
        deptId: null,
        deptName: null,
        collegeId: null,
        collegeName: null,
        year: this.year,
        semester: this.semester,
        delFlag: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery () {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery () {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange (selection) {
      this.ids = selection.map(item => item.tccId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd () {
      this.reset();
      this.open = true;
      this.title = "添加绑定";
      //请求部门树
      this.getDeptTree();
      //请求教师列表
      this.teacherRemoteMethod("")
      //请求课程列表
      this.courseRemoteMethod("")
      //请求班级列表
      // this.classRemoteMethod("")
      // this.classRemoteMethod("")
      this.getYearList()
    },
    /** 修改按钮操作 */
    handleUpdate (row) {
      this.reset();
      const tccId = row.tccId || this.ids
      //请求部门树
      this.getDeptTree();
      //请求教师列表
      this.teacherRemoteMethod("")
      //请求课程列表
      this.courseRemoteMethod("")

      // this.classRemoteMethod("")
      this.getYearList()
      getTcc(tccId).then(response => {
        this.form = response.data;
        //请求班级列表
        this.classRemoteMethod("")
        this.open = true;
        this.title = "修改绑定";
      });

    },
    /** 提交按钮 */
    submitForm () {
      this.$refs["form"].validate(valid => {
        if (valid) {
          let classId = this.form.classId
          this.form.className = this.classList.filter(clazz => clazz.classId === classId)[0].name

          let teacherId = this.form.teacherId
          this.form.teacherName = this.teacherList.filter(teacher => teacher.userId === teacherId)[0].nickName


          let courseId = this.form.courseId
          this.form.courseName = this.courseList.filter(course => course.courseId === courseId)[0].name
          if (this.form.tccId != null) {
            updateTcc(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addTcc(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete (row) {
      const tccIds = row.tccId || this.ids;
      this.$modal.confirm('是否确认删除绑定编号为"' + tccIds + '"的数据项？').then(function () {
        return delTcc(tccIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport () {
      this.download('edu/tcc/export', {
        ...this.queryParams
      }, `tcc_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
